Alarm Control Panel User Manual10The Grand Tour2.2Grand tourFigure 2-2Table 2-1 Functions introductionNo. Name Function1LCD display Show all the system information including management andprogramming. For details, see "2.5 Main Interface of LCD Display."LED indicators Give information about power status, battery status, failures, bypass,and alarm status of each Area. For details, see "2.4 LED Indicators."2 The keys The Keypad keys can do numerous functions. Each key has specificfunction. For details, see "2.3 The Keys."3 Ports+12V: Supplies 12V DC.GND: Ground.RS485_A1RS485_B1The Keys2.3The Keypad keys can do numerous functions. Each key has a specific function as explained below.